(5461) Autumn Main-belt Asteroid
Discovered on 18 April 1983 by N. G. Thomas at Anderson Mesa.
Autumn Dongxia Thomas, born on 2002 Jan. 15 in Wahun, China, is the discoverer's granddaughter.Naming citation (20030910/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
👶 Autumn as a baby name🐶 Autumn as a dog name🐱 Autumn as a cat name
Where Autumn is today
Seen from above the solar system on 2026-10-14: Autumn is 3.60 au from the Sun and 4.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5461 |
| Provisional designation | 1983 HB1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 21.5 km (#2,020 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0510 |
| Rotation period | 20.1 hours |
| Absolute magnitude (H) | 11.9 |
| Orbital period | 5.63 years |
| Semi-major axis | 3.16 au |
| Perihelion – aphelion | 2.72 – 3.61 au |
| Eccentricity | 0.140 |
| Inclination | 12.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.71 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.